33 Electric Fields and Potential

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What is an electric field?

A field that surrounds a charged Van de Graaff generator

A force field that holds a satellite in orbit around a planet

A force field that surrounds an electric charge or group of charges (correct)

A gravitational force that holds an electron in orbit around a proton

How is the magnitude of an electric field measured?

By its effect on charges located in the field (correct)

By the distance between charges located in the field

By the color of the charges in the field

By the charge of the test charge placed in the field

What force holds a satellite in orbit around a planet?

Magnetic force

Electrical force

Gravitational force (correct)

Frictional force

In an electric field, where is the field considered strongest?

Where the force is greatest on the test charge Signup and view all the answers

What does an electric field have besides magnitude?

Direction Signup and view all the answers

How can you sense the force field around a charged Van de Graaff generator?

By observing its effect on other charges Signup and view all the answers

What does the space around a concentration of electric charge contain?

Force field Signup and view all the answers

How is the magnitude of an electric field measured?

By its effect on charges located in the field Signup and view all the answers

What is the direction of an electric field at any point by convention?

The direction of the electrical force on a small positive test charge Signup and view all the answers

What interaction causes a ball thrown upward to follow a curved path?

Interaction between centers of gravity of the ball and Earth Signup and view all the answers

What does the concept of a force field explain?

How Earth can exert a force on things without touching them Signup and view all the answers

What makes the hair on your body stand out when near a charged dome?

The presence of a charge in the space around the dome Signup and view all the answers

Where is the field strength greater in an electric field surrounding charged particles?

Where field lines are closest Signup and view all the answers

What happens to the electric field inside a conductor?

It cancels to zero Signup and view all the answers

How does the potential energy of a compressed spring and a charged object depend?

On their locations in their respective fields and on the work done on them Signup and view all the answers

What factor determines the amount of potential energy stored in a capacitor?

Distance between the capacitor plates Signup and view all the answers

When a capacitor discharges, what happens to the stored energy?

It flows back into the circuit as current Signup and view all the answers

In an electric field, what does the term 'dielectric constant' refer to?

The influence of the material on capacitance Signup and view all the answers

33 Electric Fields and Potential

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Questions and Answers

What is an electric field?

How is the magnitude of an electric field measured?

What force holds a satellite in orbit around a planet?

In an electric field, where is the field considered strongest?

What does an electric field have besides magnitude?

How can you sense the force field around a charged Van de Graaff generator?

What does the space around a concentration of electric charge contain?

How is the magnitude of an electric field measured?

What is the direction of an electric field at any point by convention?

What interaction causes a ball thrown upward to follow a curved path?

What does the concept of a force field explain?

What makes the hair on your body stand out when near a charged dome?

Where is the field strength greater in an electric field surrounding charged particles?

What happens to the electric field inside a conductor?

How does the potential energy of a compressed spring and a charged object depend?

What factor determines the amount of potential energy stored in a capacitor?

When a capacitor discharges, what happens to the stored energy?

In an electric field, what does the term 'dielectric constant' refer to?

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